1. 2. Kirichenko, A. YA., Prokopenko, YU. V., Filippov, YU. F. and Cherpak, N. T., 2008. Quasi-optical solid-state resonators.Kiev: Naukova Dumka Publ. (in Russian).
2. Forced higher order oscillations of a hemispherical shield.;Kogut,1998
3. Whispering-gallery modes in shielded hemispherical dielectric resonators
4. Focusing of the Whispering-Gallery Waves in a Quasi-Optical Hemispherical Dielectric Resonator.;Kharkovsky;Pis ma Zh Tekh Fiz,1995
5. Enhancement of the excitation efficiency of dielectric disk resonators.;Ivanov;Izv Vyssh Uchebn Zaved Radioelektronika,1987